"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

It comes after the US president directed his administration to declassify more information on the issue ...

A Harvard astronomer, known for his provocative theories regarding extraterrestrial visits, has been selected by the White ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...